Kansas City (KS)
September
Weather in Kansas City, Kansas for September 2026
Your guide to Kansas City weather in September - trends and predictions
So far, September 2026 in Kansas City is slightly warmer than the historical average by 1.8 °F.
The forecast for the upcoming days in Kansas City predicts a temperature of 23.8 °F, which is slightly above the historical average.
In general, the average temperature in Kansas City at the beginning of September is 32.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.7 °F by the end of September.
The climate of Kansas City in September is notably wet, with an average of 11 rainy days, and a total of 124.2 mm of precipitation.
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Temperatures
Rain 🌧️
More
19
Dry days
11
Rainy days
0
Snow days
30°/17°
Temperatures
18 km/h
Avg max wind
58 %
Avg humidity
Kansas City Weather September
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Temperatures trend during September in Kansas City
See the weather trend as well as the moving average line
September weather in Kansas City day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 32° /18° | 11.4 mm | 8 | |
| Sept. 2 | Sunny | 33° /17° | 0 mm | 8 | |
| Sept. 3 | Sunny | 34° /18° | 4.2 mm | 8 | |
| Sept. 4 | Sunny | 35° /19° | 0.3 mm | 8 | |
| Sept. 5 |  Overcast | 33° /19° | 1.2 mm | 6 | |
| Sept. 6 | Sunny | 31° /16° | 0.3 mm | 7 | |
| Sept. 7 | Sunny | 31° /15° | 10.5 mm | 8 | |
| Sept. 8 | Sunny | 32° /16° | 2.9 mm | 7 | |
| Sept. 9 | Overcast | 30° /16° | 7.8 mm | 6 | |
| Sept. 10 | Overcast | 31° /17° | 6.9 mm | 6 | |
| Sept. 11 |  Heavy rain | 31° /17° | 4.6 mm | 7 | |
| Sept. 12 |  Mist | 32° /18° | 2.1 mm | 7 | |
| Sept. 13 | Sunny | 31° /17° | 0.2 mm | 7 | |
| Sept. 14 | Overcast | 33° /17° | 0.6 mm | 7 | |
| Sept. 15 |  Cloudy | 33° /18° | 1.3 mm | 8 | |
| Sept. 16 | Overcast | 32° /19° | 2.7 mm | 7 | |
| Sept. 17 | Sunny | 33° /19° | 0 mm | 8 | |
| Sept. 18 | Sunny | 32° /19° | 4.5 mm | 7 | |
| Sept. 19 |  Thundery outbreaks possible | 34° /19° | 0.9 mm | 7 | |
| Sept. 20 | Thundery outbreaks possible | 27° /19° | 5.8 mm | 5 | |
| Sept. 21 | Thundery outbreaks possible | 28° /19° | 3.3 mm | 5 | |
| Sept. 22 |  Patchy light rain with thunder | 27° /16° | 32.9 mm | 5 | |
| Sept. 23 | Sunny | 23° /13° | 0 mm | 6.7 | |
| Sept. 24 | Overcast | 25° /15° | 0 mm | 5.8 | |
| Sept. 25 |  Patchy rain possible | 26° /17° | 1.3 mm | 1.9 | |
| Sept. 26 | Light rain shower | 24° /16° | 13.5 mm | 3 | |
| Sept. 27 | Patchy rain possible | 22° /16° | 5.2 mm | 6 | |
| Sept. 28 | Overcast | 22° /15° | 0 mm | 6 | |
| Sept. 29 | Light rain shower | 21° /14° | 22.6 mm | 5 | |
| Sept. 30 | Sunny | 19° /13° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Kansas City in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Kansas City forecast closer to your planned date for the most up-to-date weather information.
Change Month
Kansas City in September - FAQ
What are the expected maximum and minimum temperatures in Kansas City during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 17° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Kansas City during September?
Significant rainfall exceeding 124.2 mm is expected in Kansas City during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kansas City during September?
The average wind speed in Kansas City during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Kansas City
Explore the daily rainfall trends and prepare for Kansas Citys September weather 💧
Typically, Kansas City has 11 rainy days in September with a total of 124.2 mm of rainfall.
UV exposure in Kansas City during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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